R-binol R-binol 18531-94-7 99% Phosphorous oxybromide 7789-59-5 99% 3-methyl-4-phenybutan-2-one 2550-27-8 2, 3, 3, 5-tetramethylindolenine25981-82-2 98% Escitalopram oxalate219861-08-298%min Botanical extraction&supercritical co2 extraction see natural products section